when required vs where required

Both 'when required' and 'where required' are correct and commonly used phrases in English. The choice between them depends on the context in which they are used.

Last updated: April 12, 2024 • 511 views

This phrase is correct and commonly used in English.

"when required"

This phrase is used to indicate that something should be done at the time when it is necessary or needed.

Examples:

Please submit the report when required.
The equipment will be inspected when required.

Show examples from the web [+]

Jul 23, 2004 ... To report PHI to law enforcement when required by law to do so (45 CFR 164.512(f)(1)(i)). For example, state laws commonly require health ...
(9) A statement of work for services, when required, or a brief, complete description of each item (when ordering by model number, features and options such ...
(c) Either a tail lamp or a separate lamp shall be so constructed and placed as to illuminate with a white light a rear registration plate when required and ...
72-3-513. Bond -- when required. (1) Bond is not required of a personal representative appointed in informal proceedings, except:.
These tires are different from "all season" tires and have a more aggressive tire tread. Traction tires. The following qualify as traction tires when required ...
(2) A signal of intention to turn or move right or left when required shall be given continuously during not less than the last one hundred feet traveled by ...
Jul 5, 2020 ... Perform work of national importance under civilian direction when required by the law. The language of the current Oath is found in the Code of ...
Mar 10, 2022 ... Question: What is a manufacturer required to do when required data is not available from the electronic control module (ECM)?. Guidance: If the ...
Employment Status “as and when required”. Date: December 17, 2014. To: Heads of Human Resources, Directors/Chiefs of Labour Relations and Compensation.

Alternatives:

as needed
as necessary
as required

This phrase is correct and commonly used in English.

"where required"

This phrase is used to indicate that something should be done at the place where it is necessary or needed.

Examples:

Additional signage will be installed where required.
Safety measures will be implemented where required.

Show examples from the web [+]

Jan 27, 2017 ... NFPA 1: Automatic sprinkler systems, where required. #FireCodefridays · Basements exceeding 2500 ft2 (232 m2) in new buildings. (13.3.2.2) · New ...
Nov 10, 2022 ... The mask mandate has been lifted. Individuals must continue to wear masks where required under federal law regardless of vaccination status.
accessible routes shall be provided where required by 206.2. 206.2.1 Site Arrival Points. At least one accessible route shall be provided within the site ...
They also help filter or block your content in certain territories or to specific users where required by law, and determine your app's eligibility for ...
Nov 17, 2020 ... Pennsylvanians should follow the Centers for Disease Control and Prevention (CDC) guidance for wearing a mask where required by law, rule, ...

Alternatives:

as needed
as necessary
as required

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